Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Roman Vladimirsky0
Date of Patent
December 16, 2008
0Patent Application Number
110140230
Date Filed
December 15, 2004
0Patent Citations Received
...
Patent Primary Examiner
Patent abstract
A needle assembly includes a sheath into which a hypodermic needle is withdrawn in a protected position. Installation of the needle assembly onto a Luer lock causes the needle to be thrust forward out of the sheath. A spring urges the needle to the withdrawn position. An elastomeric ball in the needle assembly provides sealing.
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